That's the same as 4/13 x 11/4 = 44/52 = 11/13
Suppose it is n Then n/11 = 13 + r4 = 13 + 4/11 Multiply both sides by 11: n = 11*13 + 4 = 143 + 4 = 147
0.8462
4/11 ÷ 2/7 = 13/11
13
23/4 ÷ 2 = 11/8 or 13/8
0.0909
0.25
0.0909
11
4/11 divided by 2 = 0.1818 . . .
11.5385
12.8462